Re: XATTR_PAX, paxmark.sh, elog, icedtea, and maybe more

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On 2014/12/19 17:08, Karl-Johan Karlsson wrote:
> On Thu 18 Dec 2014 19.58.11 Anthony G. Basile wrote:
>> On 12/13/14 18:52, Karl-Johan Karlsson wrote:
>>> So it works on ext4, but not ext3, even though both have the
ext_attr flag
>>> on disk. Any difference in kernel support?
>>
>> Because on ext3 you need to add user_xattr to the mount options.  Either
>> `mount -o user_xattr` or in fstab in column 4 like this
>>
>> /dev/sdb5 /tmp    ext3 user_xattr 0 1
>>
>> Its automatic on ext4.  `man mount` for more info.  Please let me know
>> if this works for you.
>
> Aha! I was unaware of that mount option. mount(8) documents it, but is
unclear
> on what the default value is. attr(5) says it's needed on ext2, ext3 and
> reiserfs, but says nothing about ext4.
>
> Unfortunately, the machine is in production, and since it works
without that
> option when using the ext4 code to read ext3, I would prefer to leave
it alone
> for now.
>
Would mount -oremount,user_xattr be an option? Or am I missing the point :)
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